Question

A car dealership uses the linear model y = -1100x + 25000 to

predict the depreciation of car values as time progresses. If x is how
old the vehicle is in years and y is the current value of the vehicle,
what will the value of the vehicle be 5 years after purchase?
a) $18,400
b) $19,500
d) $23,900
c) $22,700

Answer 1

Graph the line using the slope and y-intercept, or two points.

Slope:

−

1000

-1000

y-intercept:

(

0

,

25000

)

(0,25000)

x

y

0

25000

25

0

xy025000250

Explanation:

a

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